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Topic: Diminished seventh


In the News (Fri 27 Nov 09)

  
  Diminished seventh - Wikipedia, the free encyclopedia
In an equal tempered tuning, a diminished seventh is equal to nine semitones, a ratio of 1:2
The diminished seventh is a context dependent dissonance.
The diminished seventh chord is a nondiatonic chord.
en.wikipedia.org /wiki/Diminished_seventh   (613 words)

  
 Chord
In its earliest usage, the seventh was introduced solely as an embellishing or nonchord tone.
Called the Dominant Seventh because its intervallic relationships occur naturally in the seventh chord built on the dominant scale degree of a given key, the dominant seventh chord was the first to begin to appear regularly in Western music.
The dominant seventh chord is useful to composers because of the fact that it is a major chord with a very strong sound, that also includes a tritone between the third and seventh of the chord.
www.ebroadcast.com.au /lookup/encyclopedia/ch/Chord.html   (2241 words)

  
 Seventh chords
A seventh chord has at least one dissonant interval in it, and therefore is not a stable sonority; in tonal music, a seventh chord will require a resolution.
Diminished seventh chords: The seventh chord built on vii (B-D-F-A in C major) in a major key is a half diminished seventh.
A fully diminished seventh chord consists of all minor thirds, and is diatonic in a minor key, built on the raised seventh scale degree, as in the harmonic minor scale.
www.musictheoryresources.com /FA_seventh_chords.htm   (537 words)

  
 Keith Prater Music Theory - Course 3
Seventh chords built on major, minor and diminished triads are very common.
In general, we identify a seventh chord based on the interval between the root and third, and the interval between the root and the seventh.
The latter is called half diminished because it has a diminished triad and a minor seventh -- it is written with a degree sign with a slash through it followed by the number seven (which I cannot duplicate on this webpage).
www25.brinkster.com /musicschool/course3/lesson12.html   (488 words)

  
 Seventh Chords
A seventh chord is a group of four notes which are related by thirds.
Seventh chords are similar to triads but with a fourth note a third above the fifth.
The second measure has a D minor-minor seventh chord with the seventh in the bass and the third measure contains a G major-minor seventh chord with the third in the bass.
www.alcorn.edu /musictheory/Version2/theory1/seventh.htm   (355 words)

  
 Jazz Practice Loops : The ultimate site for practicing jazz solos and standards.   (Site not responding. Last check: 2007-10-10)
The most common type of seventh chord in classical harmony, however, is the dominant seventh, which is obtained by adding a minor seventh to the major triad built on the fifth note of the major scale, also called the dominant.
In the case of a diminished triad, the third added can either be a minor third, which creates a fully diminished seventh (for example, A C Eb Gb, or Adim) or a major third, which creates a half diminished seventh (for example, B D F A, or Bm7b5).
Fully diminished chords and augmented chords are used as well, but as will be seen, they are often used as substitutes for one of these four basic types of chords.
www.jazzpracticeloops.com /materials/train.htm   (2112 words)

  
 Chord Notation
A "o" or the abbreviation "dim" is used to indicate diminished and a "+" sign or the abbreviation "aug" is used to indicate augmented.
For a diminished-minor seventh chord a slash is often drawn through the "o" or the symbol "b5" will follow the 7.
In this example the guitarist strums an A minor-minor seventh chord, a D major-minor seventh chord, a G major-major seventh chord, and a C major-major seventh chord.
www.alcorn.edu /musictheory/Version2/theory1/Chord1.htm   (671 words)

  
 Beyond Triads: Naming Other Chords
There are several different types of seventh chords, distinguished by both the type of triad and the type of seventh used.
Listen to the differences between the C seventh, C major seventh, C minor seventh, C diminished seventh, and C half-diminished seventh.
Notice that a half-diminished seventh can be (and sometimes is) written as it is here, as a minor seventh with flat five.
cnx.org /content/m11995/latest   (2004 words)

  
 Seventh Chords   (Site not responding. Last check: 2007-10-10)
This chord is called seventh chord because a seventh interval is formed in relation to the root.
Seventh chords may be built on each of the degrees of major and minor scales.
Seventh chords may be identified by analyzing the triad and the seventh interval forming the chord.
www.teoria.com /reference/chords/08.htm   (75 words)

  
 101 Things You Can Do With A Diminished Seventh Chord
on B is equivalent to a third-inversion seventh on D, a second-inversion seventh on F, and to a first-inversion seventh on G# or A-flat.
In a common-tone resolution of a leading tone seventh, at least one chord tone is held in common with the chord of resolution while the other three notes of the seventh move by step.
Sometimes a diminished seventh neither functions as a leading tone seventh nor resolves as a common tone seventh.
www.lsu.edu /faculty/jperry/virtual_textbook/dim_7th.htm   (547 words)

  
 Learn more about Chord (music) in the online encyclopedia.   (Site not responding. Last check: 2007-10-10)
While the dominant seventh chord is typically built on the fifth (or dominant) degree of a major scale, the minor seventh chord is built on the second, third, or sixth degree.
Major seventh chords are usually constructed on the first or fourth degree of a scale.
A half-diminished seventh chord is a seventh chord built from the seventh degree of a major scale.
www.onlineencyclopedia.org /c/ch/chord__music_.html   (2645 words)

  
 Philip Tagg | Lead sheet chords - EPMOW entry (2000)
Diminished fifths in seventh chords containing a major third appear as 7-5 or 7$5 (table 2: 2c, 7c).
Seventh chords containing minor third, diminished fifth and flat seventh are written as m7-5 or m7$5, sometimes as ø (‘half diminished’).
The ‘dim’ chord constitutes a special case, containing both diminished seventh and fifth, and is most frequently indicated by dim placed straight after the root note name, sometimes by dim7, occasionally by o or o7 (table 2: 7d).
www.tagg.org /articles/epmow/leadsheetchords.html   (2512 words)

  
 and   (Site not responding. Last check: 2007-10-10)
The sixth chord is a minor triad and a minor seventh.
The fourth chord is a minor triad and a minor seventh.
The fifth chord is a minor triad and a minor seventh.
www.musictheory.net /lessons/xml/id46_en_uk.xml   (375 words)

  
 internalizing melodic colors
Thinking that there are multiple tonics associated with the diminished colors, here is a format for shedding the fully diminished seventh scale and associated colors and resolving them into their various tonal centers, using the inherent tension and release found in the structure of the basic Two / Five / One chord progression.
A close associate to sharp One diminished seventh (#1 dim 7) is the dominant seventh flat nine (V7b9) built on the Sixth degree of the major scale, which oftentimes is used in a similar fashion.
These pitches are a minor third apart and comprise the fully diminished seventh chord found within the upper structure of any V 7b9 chord.
jacmuse.com /improv/melodicapps/newpage19.htm   (4441 words)

  
 Chords
Seventh chords built upon augmented triads are extremely rare, as are minor triads with a major seventh and major or minor triads with diminished sevenths.
Another way of specifying chords that reflects their relationships to a particular key uses roman numerals to indicate the scale degree upon which the chord is built instead of pitch names.
This method also uses a "7" to indicate seventh chords but does not need to specify the type of seventh, since it is assumed that the seventh will be whatever pitch class would normally occur within that key.
www.smu.edu /totw/chords.htm   (717 words)

  
 Sonic Glossary: Seventh
There are two other kinds of seventh: the diminished seventh, which sounds the same as the major sixth; and the augmented seventh, which sounds the same as the octave.
The two most important of the seventh chords are the dominant seventh chord and the diminished seventh chord.
Note: Having learned about the seventh, you may want also to consult the definition of the Second, since the second is closely related to the seventh (they are in fact the inverse of one another), and the two behave quite similarly.
www.columbia.edu /ccnmtl/draft/paul/sonic/seventh.html   (899 words)

  
 music definitions   (Site not responding. Last check: 2007-10-10)
Submediant seventh chord with raised root and third - A diminished seventh chord built on the raised sixth scale degree in major.
Supertonic seventh chord with raised root and third - A diminished seventh chord built on the raised second scale degree in major.
The interval of the augmented fourth or diminished fifth.
guitarsecrets.com /music_definitions.htm   (3370 words)

  
 Melodic Minor Harmony
By raising the seventh degree of the minor scale by a half step (that is, raising the G of A minor to G#), these problems are solved.
This particular sound, the raised fourth over a dominant seventh chord, was widely used in the bebop era, and earned the early bebop musicians a lot of criticism for their use of such non-traditional sounds.
The seventh mode of the melodic minor scale is often called the diminished whole tone scale, because it combines elements of the diminished and whole tone scales discussed later.
www.geocities.com /Athens/Marble/9607/ms-primer-4-3.html   (1633 words)

  
 Diminished Sevenths   (Site not responding. Last check: 2007-10-10)
It is curious that the augmented triad is considered the chromatic version of a fundamental major triad (usually I or V) but that the diminished seventh chord is considered a separate entity, born chromatic, without any diatonic progenitor.
This is the kind of usage usually proposed for diminished seventh chords, allowing it to travel with impunity to any other chord, as if the listener had conveniently forgotten where it came from.
To produce the diminished seventh look/sound, we must use the permanent chromatic non-chordal tone of Orbit 0 on a dominant-shape chord, superior (above) if the chord is descending (7s-2) or inferior (below) if the chord is ascending (m6p+4).
www.musicnovatory.com /dim.html   (1773 words)

  
 half diminished chords chart : inversions : structures
In the major key the half diminished 7 chord is on the scale's seventh degree but it is less used in this key context.
In fact, in major key, the half diminished chord can be considered a dominant seventh chord with the ninth and with the third on bass.
It is different from diminished chord because it has minor seventh while dim 7th chord has diminished seventh.
www.musilosophy.com /half-diminished.htm   (249 words)

  
 Lesson- 'What Chord Names Mean'
Since the result is basically a dominant-seventh chord (because of the major third in the triad and the minor seventh on top) with an augmented fifth, the chord is called an augmented-seventh chord.
It's a diminished triad with a diminished-seventh interval added to it (a diminished seventh is a minor seventh that’s been made one half step smaller).
One essential use for a diminished chord is as a connection between I and ii; try Example 3, in which you connect D and Em by way of a D#dim7 chord.
acousticguitar.com /lessons/Chord_Names/4.html   (436 words)

  
 Seventh chord - Wikipedia, the free encyclopedia
When not otherwise specified, a "seventh chord" usually means a dominant seventh chord.
However, a variety of sevenths may be added to a variety of triads, resulting in many different types of seventh chord, as described below.
All of the elements of the Diminished 7th chord can be found in the Dominant 7th (b9) chord as seen in a comparison of the two chords.
en.wikipedia.org /wiki/Seventh_chord   (949 words)

  
 Common Seventh Chords--The GSA Music Theory Department
Seventh chords are a key part of tonal music.
The Major Seventh chord is made of all major intervals - 1, 3, 5, and 7.
The half- diminished (also shown as C with a circle with a slash through it) seven chord is made of all minor intervals - 1,
www.etproductions.com /gsa/pages/common-seventh-chords.html   (208 words)

  
 New Page 1
Diminished triads are uppercase followed by a ° (C# diminished becomes C#°).
The dominant seventh chord is one of the most important chords in musical composition.
A note on notation: it is common to write a seventh chord with the letter of the root of the triad and a 7, i.e.
library.thinkquest.org /05aug/01262/lessonchords.html   (1621 words)

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